CN113663497B - Industrial denitration flue gas purification device - Google Patents
Industrial denitration flue gas purification device Download PDFInfo
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- CN113663497B CN113663497B CN202110970633.5A CN202110970633A CN113663497B CN 113663497 B CN113663497 B CN 113663497B CN 202110970633 A CN202110970633 A CN 202110970633A CN 113663497 B CN113663497 B CN 113663497B
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- flue gas
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- treatment tank
- purification
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000003546 flue gas Substances 0.000 title claims abstract description 53
- 238000000746 purification Methods 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 230000001133 acceleration Effects 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- 238000005273 aeration Methods 0.000 claims description 9
- 210000003437 trachea Anatomy 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 8
- 230000023556 desulfurization Effects 0.000 abstract description 8
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000036632 reaction speed Effects 0.000 description 3
- 229910052815 sulfur oxide Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an industrial denitration flue gas purifying device, which specifically comprises a base, the base is provided with an inner treatment cavity seat and an outer exhaust pipe arranged at the side of the base; the purification tank is provided with a reaction kettle tank body and an internal reaction cavity, and a purification core device is arranged in the purification tank; the invention relates to the technical field of industrial denitration, in particular to a top seat, which is provided with a top cavity seat and a flue gas flow backflow exhaust head arranged at the top of the top seat, wherein the flue gas flow backflow exhaust head and the top seat can conveniently control purified air flow to be discharged outside by adopting an electromagnetic control valve. This industry denitration flue gas purifier has solved the desulfurization denitration tower and has been difficult to satisfy increasingly fast to flue gas denitration reaction, and purification efficiency is low to the incomplete problem of purification appears easily, and the more abundant reaction mixing of air current of injection, and the improvement reaction rate that can be very big can make the air current that does not fully react carry out the multiple cycle reaction.
Description
Technical Field
The invention relates to the technical field of industrial denitration, in particular to an industrial denitration flue gas purifying device.
Background
The flue gas desulfurization and denitrification technology is a flue gas purification technology applied to the chemical industry for generating multiple nitrogen oxides and sulfur oxides, and the nitrogen oxides and the sulfur oxides are one of main sources of air pollution; the application of this technique has considerable benefits for the purification of ambient air; known flue gas desulfurization and denitrification technologies include PAFP, ACFP, pyrolusite method, electron beam ammonia method, pulse corona method, gypsum wet method, catalytic oxidation method, microbial degradation method and the like. The technology for simultaneously desulfurizing and denitrating the flue gas mainly comprises three types, wherein the first type is a combined technology of flue gas desulfurization and flue gas denitration; the second is to use the adsorbent to remove SOx and NOX simultaneously; the third category is to modify the existing Flue Gas Desulfurization (FGD) system (such as adding a denitration agent into the desulfurization solution) and increase the denitration function. The existing desulfurization and denitrification tower is difficult to meet the requirements of increasingly rapid flue gas denitrification reaction, has low purification efficiency and is easy to generate incomplete purification.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides an industrial denitration flue gas purification device, which solves the problems that a desulfurization and denitration tower is difficult to meet the requirement of increasingly rapid flue gas denitration reaction, the purification efficiency is low, and incomplete purification is easy to occur.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: an industrial denitration flue gas purifying device specifically comprises,
A base having an inner treatment cavity seat and an outer drain pipe disposed at an edge side of the base;
the purification tank is provided with a reaction kettle tank body and an internal reaction cavity, and a purification core device is arranged in the purification tank;
the top seat, this top seat has top cavity seat, and sets up the flue gas air current backward flow exhaust head at top seat top, flue gas air current backward flow exhaust head adopts electromagnetic control valve to arrange outward with the top seat can conveniently control the air current that has already level purified, and top seat bottom installs on purifying can, be connected with the backward flow trachea between top seat and the purifying can, can make the air current that does not fully react carry out multiple circulation reaction, in the backward flow trachea lug insert reaction, purifying can avris is provided with the flue gas import, purifying core device specifically includes:
The upper treatment tank is provided with an inner cavity treatment tank body and a smoke diversion device arranged in the upper treatment tank;
The lower accelerating treatment tank is provided with an accelerating treatment net cylinder body and a cylinder heater arranged at the side of the lower accelerating treatment tank, and is mainly used for heating the reaction solution stored at the outer side of the device, and the denitration reaction rate can be ensured by keeping a proper temperature;
And the upper shunt pipe is provided with a shunt bent pipe and is arranged at the top of the upper treatment tank.
Preferably, the return bend of reposition of redundant personnel upper tube is higher than upper treatment tank top, just reposition of redundant personnel upper tube and upper treatment tank intercommunication can play the flue gas overflow effect, when also can be in the pressure diminish of inside, prevent that inside solution from being by the suck-back.
Preferably, the flue gas inlet is communicated with the air inlet at the top of the purifying core device through a gas collecting pipe.
Preferably, an inner heater is arranged on the inner wall of the lower accelerating treatment tank, and a heat-conducting wave sheet is arranged on the outer side of the inner heater.
Preferably, the lower acceleration treatment tank comprises a mesh tank body, a driving motor is arranged above the inside of the mesh tank body, a central rotating shaft is arranged at the output end of the driving motor, an elastic impact terminal is arranged at the position, corresponding to the heat-conducting wave sheet, of the outer side of the central rotating shaft through a mounting frame, the elastic impact terminal stretches out the elastic impact terminal under the action of centrifugal force when the central shaft rotates, so that fluctuation is easy to generate inside, and local heat is dispersed in a wave form, the internal reaction speed is higher, and internal solution reaction precipitation can be prevented.
Preferably, the ultrasonic vibrator is arranged below the lower accelerating treatment tank, heat conduction supporting pipes are arranged on two sides of the ultrasonic vibrator, a discharge pipe is arranged at the bottom of the lower accelerating treatment tank, and the ultrasonic vibrator can prevent bottom reactants from depositing at the bottom of the lower accelerating treatment tank and prevent internal sediments from blocking the bottom discharge pipe.
Preferably, the flue gas diverging device includes the avris mounting bracket, the spiral air current pipe is installed to the avris mounting bracket inboard, spiral air current pipe top is provided with the piece that cup joints, the air inlet intercommunication of cup joints piece and upper treatment jar is passed through to the pipe, the reposition of redundant personnel aeration hole has been seted up in spiral air current pipe outside, and the flue gas air current of device outside injection can be shunted into many little airflows through reposition of redundant personnel aeration hole to because whole device is all immersed in the reaction liquid, many airflows reposition of redundant personnel aeration can make the more abundant reaction mixture of the airflow of injection, and the improvement reaction rate that can be very big.
(III) beneficial effects
The invention provides an industrial denitration flue gas purifying device. The beneficial effects are as follows:
According to the industrial denitration flue gas purification device, the reaction rate is improved through the split flow of the flue gas and the reaction of the solution, the split flow of the fine gas can enable the reaction to be more complete, the injected gas flows can be fully reacted and mixed through the split flow aeration of the multi-gas flow, the reaction rate can be greatly improved, and the gas flow which is not completely reacted can be subjected to multiple circulation reactions.
And secondly, when the elastic impact terminal rotates at the central shaft, the central rotating shaft rotating at high speed stretches the elastic impact terminal out under the action of centrifugal force to continuously impact the heat-conducting wave plate, so that fluctuation is easy to generate in the interior, and meanwhile, local heat is dispersed out in a wave shape, so that the internal reaction speed is higher, and reaction precipitation of an internal solution can be prevented.
And thirdly, the industrial denitration flue gas purifying device adopts an ultrasonic vibrator to prevent the bottom reactant from precipitating at the bottom of the lower accelerating treatment tank and prevent the internal precipitate from blocking the bottom discharge pipe.
And fourthly, the industrial denitration flue gas purifying device is mainly used for heating the reaction solution stored outside the device, and the denitration reaction rate can be ensured by keeping a proper temperature.
And fifthly, the industrial denitration flue gas purifying device is characterized in that the split upper pipe is communicated with the upper treatment tank, so that the flue gas overflow effect can be achieved, and meanwhile, when the internal pressure is reduced, the internal solution is prevented from being sucked backwards.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal components of the device of the present invention;
FIG. 3 is a schematic view of the purification cartridge device of the present invention;
FIG. 4 is a schematic view of the structure of the inside of the lower acceleration processing tank of the present invention;
FIG. 5 is a schematic diagram of the flue gas diversion apparatus of the present invention;
In the figure: 1 base, 2 purifying tank, 3 top seat, 4 flue gas air current backward flow exhaust head, 5 purifying core device, 51 upper treatment tank, 52 flue gas diverging device, 521 side mounting bracket, 522 spiral air flow pipe, 523 socket, 524 reposition of redundant personnel aeration hole, 53 lower acceleration treatment tank, 531 mesh jar body, 532 driving motor, 533 central pivot, 534 mounting bracket, 535 elasticity striking terminal, 54 reposition of redundant personnel upper tube, 55 sonic vibrator, 56 heat conduction stay tube, 57 cylinder heater, 58 internal heater, 59 heat conduction wave piece, 6 backward flow trachea, 7 flue gas import, 8 outer calandria.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: an industrial denitration flue gas purifying device specifically comprises,
A base 1, the base 1 having an inner treatment cavity seat and an outer drain pipe 8 provided at a side of the base 1;
a purification tank 2, wherein the purification tank 2 is provided with a reaction kettle tank body and an internal reaction cavity, and a purification core device 5 is arranged in the purification tank 2;
The top seat 3, this top seat 3 has top cavity seat, and set up the flue gas air current backward flow exhaust head 4 at top seat 3 top, flue gas air current backward flow exhaust head 4 adopts electromagnetic control valve can conveniently control the air current that has evolved with top seat 3 to arrange outward, and top seat 3 bottom is installed on purifying tank 2, be connected with backward flow trachea 6 between top seat 3 and the purifying tank 2, can make the air current that does not fully react carry out multiple cycle reaction, backward flow trachea 6 direct insertion is reacted, purifying tank 2 avris is provided with flue gas import 7, purifying core device 5 specifically includes:
an upper treatment tank 51, the upper treatment tank 51 having an inner chamber treatment tank body and a fume diversion device 52 provided inside the upper treatment tank 51;
A lower acceleration processing tank 53, wherein the lower acceleration processing tank 53 is provided with an acceleration processing net cylinder body and a cylinder heater 57 arranged at the side of the lower acceleration processing tank 53, and is mainly used for heating the reaction solution stored at the outer side of the device, and the denitration reaction rate can be ensured by keeping a proper temperature;
A split upper pipe 54, the split upper pipe 54 having a split elbow, and the split upper pipe 54 being installed on top of the upper treatment tank 51.
The bent pipe of the upper split pipe 54 is higher than the top of the upper treatment tank 51, and the upper split pipe 54 is communicated with the upper treatment tank 51, so that the smoke overflow effect can be achieved, and meanwhile, when the internal pressure becomes smaller, the internal solution is prevented from being sucked backwards.
The inside of the flue gas inlet 7 is communicated with the air inlet at the top of the purification core device 5 through a gas collecting pipe.
An inner heater 58 is provided on the inner wall of the lower acceleration processing tank 53, and a heat-conducting wave plate 59 is provided outside the inner heater 58.
The lower acceleration processing tank 53 includes a mesh tank 531, a driving motor 532 is disposed above the inside of the mesh tank 531, a central rotating shaft 533 is mounted at an output end of the driving motor 532, an elastic impact terminal 535 is mounted at a position corresponding to a heat conducting moving sheet 59 outside the central rotating shaft 533 through a mounting frame 534, the elastic impact terminal 535 stretches out the elastic impact terminal 535 under the action of centrifugal force when the central rotating shaft 533 rotates around a central axis, so that fluctuation is easily generated inside the tank by impacting the heat conducting moving sheet 59, and local heat is dispersed in a wave form, so that internal reaction speed is faster, and internal solution reaction precipitation can be prevented.
The ultrasonic vibrator 55 is arranged below the lower accelerating treatment tank 53, heat conduction supporting pipes 56 are arranged on two sides of the ultrasonic vibrator 55, a discharge pipe is arranged at the bottom of the lower accelerating treatment tank 53, and the ultrasonic vibrator 55 can prevent bottom reactants from depositing at the bottom of the lower accelerating treatment tank 53 and prevent internal sediments from blocking the bottom discharge pipe.
The flue gas splitting device 52 comprises a side mounting frame 521, a spiral gas flow pipe 522 is mounted on the inner side of the side mounting frame 521, a sleeve joint piece 523 is arranged at the top end of the spiral gas flow pipe 522, the sleeve joint piece 523 is communicated with the air inlet of the upper treatment tank 51 through a conduit, a splitting aeration hole 524 is formed in the outer side of the spiral gas flow pipe 522, flue gas flow injected from the outer side of the device is split into a plurality of micro-airflows through the splitting aeration hole 524, and because the whole device is immersed in reaction liquid, the injected airflows are fully reacted and mixed through multi-airflows splitting aeration, and the reaction rate is greatly improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An industrial denitration flue gas purifying device specifically comprises,
A base (1), wherein the base (1) is provided with an inner treatment cavity seat and an outer drain pipe (8) arranged at the side of the base (1);
The purification tank (2) is provided with a reaction kettle tank body and an internal reaction cavity, and a purification core device (5) is arranged in the purification tank (2);
the top seat (3), this top seat (3) have top cavity seat, and set up flue gas air current backward flow exhaust head (4) at top seat (3), and top seat (3) bottom is installed on purifying tank (2), its characterized in that: be connected with backward flow trachea (6) between top seat (3) and purification jar (2), purification jar (2) avris is provided with flue gas import (7), purification core device (5) specifically include:
an upper treatment tank (51), wherein the upper treatment tank (51) is provided with an inner cavity treatment tank body and a smoke diversion device (52) arranged inside the upper treatment tank (51);
A lower acceleration processing tank (53), wherein the lower acceleration processing tank (53) is provided with an acceleration processing net cylinder body and a cylinder heater (57) arranged at the side of the lower acceleration processing tank (53);
a split upper pipe (54), wherein the split upper pipe (54) is provided with a split elbow, and the split upper pipe (54) is arranged at the top of the upper treatment tank (51);
The lower accelerating treatment tank (53) comprises a mesh tank body (531), a driving motor (532) is arranged above the inside of the mesh tank body (531), a central rotating shaft (533) is arranged at the output end of the driving motor (532), and an elastic impact terminal (535) is arranged at the outer side of the central rotating shaft (533) corresponding to the position of the heat-conducting wave plate (59) through a mounting frame (534);
The flue gas splitting device (52) comprises a side mounting frame (521), a spiral air flow pipe (522) is mounted on the inner side of the side mounting frame (521), a sleeve joint piece (523) is arranged at the top end of the spiral air flow pipe (522), the sleeve joint piece (523) is communicated with an air inlet of the upper treatment tank (51) through a guide pipe, and splitting aeration holes (524) are formed in the outer side of the spiral air flow pipe (522).
2. An industrial denitration flue gas purifying device according to claim 1, wherein: the bent pipe of the upper split pipe (54) is higher than the top of the upper treatment tank (51), and the upper split pipe (54) is communicated with the upper treatment tank (51).
3. An industrial denitration flue gas purifying device according to claim 1, wherein: the inside of the flue gas inlet (7) is communicated with the air inlet at the top of the purifying core device (5) through a gas collecting pipe.
4. An industrial denitration flue gas purifying device according to claim 1, wherein: an inner heater (58) is arranged on the inner wall of the lower acceleration processing tank (53), and a heat-conducting wave sheet (59) is arranged on the outer side of the inner heater (58).
5. An industrial denitration flue gas purifying device according to claim 1, wherein: an ultrasonic vibrator (55) is arranged below the lower accelerating treatment tank (53), heat conduction supporting pipes (56) are arranged on two sides of the ultrasonic vibrator (55), and a discharge pipe is arranged at the bottom of the lower accelerating treatment tank (53).
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CN211421755U (en) * | 2019-10-09 | 2020-09-04 | 江苏久诺建材科技股份有限公司 | Real mineral varnish spraying device of outer wall |
CN213193156U (en) * | 2020-06-01 | 2021-05-14 | 徐州惜能环境工程设备有限公司 | Practice thrift and take effect wet integration SOx/NOx control device futilely |
CN213202505U (en) * | 2020-09-03 | 2021-05-14 | 广东丽城环境科技有限公司 | Spiral plug flow aeration device |
CN112403230A (en) * | 2020-11-17 | 2021-02-26 | 江苏绿都环境工程有限公司 | Denitration method based on SNCR and SCR mixed process |
CN112320983A (en) * | 2020-12-02 | 2021-02-05 | 江西理工大学 | River water ammonia nitrogen treatment device |
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